Home / 558,820.13-771,150.38-317,088.29

Finding the Fourth Proportional to 558,820.13, 771,150.38 and 317,088.29

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Solution

The fourth proportional to 558,820.13, 771,150.38 and 317,088.29 is: 437,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,820.13 : 771,150.38 = 317,088.29 : x
  2. Step 2: Convert to fraction form
    558,820.13/771,150.38 = 317,088.29/x
  3. Step 3: Cross multiply
    558,820.13x = 771,150.38 × 317,088.29
  4. Step 4: Simplify right side
    558,820.13x = 244,522,751,331.76
  5. Step 5: Solve for x
    x = 244,522,751,331.76/558,820.13
  6. Step 6: Final answer
    x = 437,569.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.